Preparation and characterization of nano-crystalline LiNi0.5Co0.5VO4 by tartate precursor combustion method

Lini0.5co0.5vo4 has been successfully synthesized by tartate precursor combustion method using li2co3, co(no3)2.6h2o, ni(no3)2.6h2o and nh4vo3 as a starting materials in deionized water with the subsequent calcination at 450-600 oc for 12 h. the combustion and decomposition of tartate precursor were studied by tga and compared with tartaric acid. it found weight loss at 50-450 oc. the product showed a inverse spinel lini0.5co0.5vo4 which confirmed by pxrd. the crystal and particle sizes improved when calcination temperature was increased. raman and fitr were studied the vibration of product. they detected v-o stretching in vo4 tetrahedron, li-o bending in lio6 octahedron and li-o-m (m = ni and co) stretching. the tem showed morphologies that composed nano-particle of lini0.5co0.5vo4.